Hide read-only volumes in "Save As" dialogs.

ui/file_manager/gallery/js/gallery.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * Overrided metadata worker's path.
  * @type {string}
  */
 ContentMetadataProvider.WORKER_SCRIPT = '/js/metadata_worker.js';
 
@@ skipping 1046 matching lines @@
     i18nTemplate.process(document, loadTimeData);
     fulfill(true);
   });
 });
 
 /**
  * Promise to initialize volume manager.
  * @type {!Promise}
  */
 var volumeManagerPromise = new Promise(function(fulfill, reject) {
-  var volumeManager = new VolumeManagerWrapper(AllowedPaths.ANY_PATH);
+  var volumeManager = new VolumeManagerWrapper(AllowedPaths.ANY_PATH, false);
   volumeManager.ensureInitialized(fulfill.bind(null, volumeManager));
 });
 
 /**
  * Promise to initialize both the volume manager and the load time data.
  * @type {!Promise}
  */
 var initializePromise =
     Promise.all([loadTimeDataPromise, volumeManagerPromise]).
     then(function(args) {
       var volumeManager = args[1];
       gallery = new Gallery(volumeManager);
     });
 
 // Loads entries.
 initializePromise.then(reload);